{"id":"CVE-2026-109342","title":"SurrealDB from 3.0.0 before 3.3.0 contains a missing authentication vulnerability in the revoke RPC method that allows low-privileged or unauthenticated callers to invalidate other users' refresh tokens without proof of possession","summary":"SurrealDB from 3.0.0 before 3.3.0 contains a missing authentication vulnerability in the revoke RPC method that allows low-privileged or unauthenticated callers to invalidate other users' refresh tokens without proof of possession. Attac…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","cwe":["CWE-306"],"published":"2026-10-12","updated":"2026-10-12","sourceUpdated":"2026-10-12T17:17:30.840","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-109342","references":[{"url":"https://github.com/surrealdb/surrealdb/security/advisories/GHSA-2jc3-58q7-mm2j","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/surrealdb-3.0.0-before-3.3.0-missing-authentication-in-revoke-rpc-method","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"ingestedAt":"2026-10-12T18:00:08.208Z","slug":"CVE-2026-109342","body":"## Overview\n\nSurrealDB from 3.0.0 before 3.3.0 contains a missing authentication vulnerability in the revoke RPC method that allows low-privileged or unauthenticated callers to invalidate other users' refresh tokens without proof of possession. Attackers can obtain grant identifiers via ACCESS SHOW ALL with VIEWER permission or leaked tokens, then permanently revoke refresh tokens to force re-authentication.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}